Dylan DPC 56b7786914 Rollup merge of #98384 - rdzhaafar:fix-macos-rss-reporting, r=davidtwco,michaelwoerister ... Fix RSS reporting on macOS > NOTE: This is a duplicate of #98164, which I closed because I borked my rustc fork Currently, `rustc_data_structures::profiling::get_resident_set_size()` always returns `None` on macOS. This is because macOS does not implement procfs used in the unix version of the function: ```rust ... else if #[cfg(unix)] { pub fn get_resident_set_size() -> Option<usize> { let field = 1; let contents = fs::read("/proc/self/statm").ok()?; let contents = String::from_utf8(contents).ok()?; let s = contents.split_whitespace().nth(field)?; let npages = s.parse::<usize>().ok()?; Some(npages * 4096) } ... ``` The proposed solution uses libproc, and more specifically `proc_pidinfo`, which has been available on macOS since 10.5 if the function signature inside libproc.h is to be believed: ```c int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); ```		2022-06-28 15:30:03 +05:30
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src	Rollup merge of #98384 - rdzhaafar:fix-macos-rss-reporting, r=davidtwco,michaelwoerister	2022-06-28 15:30:03 +05:30
Cargo.toml	Update to rebased rustc-rayon 0.4	2022-05-27 20:20:41 -07:00